#63AE6E
Closest named color: Algae (#54AC68). oklch(68.5% 0.12 147.5), rgb(99, 174, 110).
Aa
Black text reads best on this color (7.81:1).
About this color
#63AE6E is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.120 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.018 away. Black text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #63AE6E |
| RGB | rgb(99, 174, 110) |
| HSL | hsl(129, 32%, 54%) |
| OKLCH | oklch(68.5% 0.12 147.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63AE6E | 2.68:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #63AE6E | 7.81:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #63AE6E text on white | 2.68:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #63AE6E text on black | 7.81:1 | AAA | Lc -49.8 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CA
oklch(88.5% 0.041 147.5)
-
Step 300
300
#A1CEA5
oklch(80.8% 0.074 147.2)
-
Step 400
400 (this color)
#63AE6E
oklch(68.5% 0.12 147.5)
-
Step 500
500
#39A14F
oklch(63% 0.153 147.5)
-
Step 600
600
#008B34
oklch(55.5% 0.162 147.6)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#0F4F1F
oklch(37.6% 0.1 147.4)
-
Step 950
950
#0C2E13
oklch(26.8% 0.063 147.6)
#63AE6E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #B0A26A | 0.098 |
| Deuteranopia (no green cones) | #A59B72 | 0.095 |
| Tritanopia (no blue cones) | #57AB9E | 0.070 |
| Achromatopsia (no color) | #9E9E9E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AE6E
#63AE6E
oklch(68.5% 0.12 147.5)
- #C17EC0
#C17EC0
oklch(68.5% 0.12 327.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63AE6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.018
- Boring Green #63B365 ΔE 0.021
- Tea #65AB7C ΔE 0.023
- Dull Green #74A662 ΔE 0.025
- Dusty Green #76A973 ΔE 0.026
- Dark Seafoam Green #3EAF76 ΔE 0.028
- Asparagus #77AB56 ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.030
Use #63AE6E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.